I'm using an IMAP mail service (fastmail.fm) which moves Junk email messages to an IMAP folder called "Junk Mail". Outlook archives Junk to "Junk E-Mail".
How do I change Outlook so that it uses the "Junk Mail" folder for Junk instead of the default?
Outlook – How to change the default Junk Mail folder in Outlook
microsoft-outlookspam-prevention
Best Answer
It is much easier to Configure fastmail.fm to save probable spam in the
Junk E-Mail
folder Outlook creates than build a custom Outlook configuration.Options > Spam/Virus Protection
Custom
besideSpam Protection
Junk Mail
toJunk E-Mail
and save.